Number of (n+1)X3 0..6 arrays with the permanents of all 2X2 subblocks equal and nonzero.
A205040
Number of (n+1)X3 0..6 arrays with the permanents of all 2X2 subblocks equal and nonzero.
Terms
- a(0) =7648a(1) =100308a(2) =366378a(3) =5111024a(4) =21682734a(5) =271619224a(6) =1279810940a(7) =14597930612a(8) =74840858802a(9) =791226597424
External references
- oeis: A205040